5 2/7 · 4 2/3 =

\(5\frac{2}{7}=\frac{37}{7}\), \(4\frac{2}{3}=\frac{14}{3}\).

\(\frac{37}{7}\cdot\frac{14}{3}=\frac{74}{3}=24\frac{2}{3}\).

Ответ: 24 2/3.